2 Hour Ul Roof Assembly

D985 unres lwc all.

2 hour ul roof assembly.

Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq. Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h. Gap between the end of the stud and track at the bottom of the wall. A secure online source for increased visibility into your ul project files product information documents samples and services.

For direct attachment of. D985 res lwc all. Deep galv units nom 24 to 36 in. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.

Sound tested with 2 x 4 stud wall with 1 2 12 7 mm toughrock fireguard c gypsum wallboard or densarmor plus fireguard c panels each side of assembly and 3 1 2 89 mm fiberglass insulation in stud space both sides. Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in. Welded to supports with 3 8 in. Click here for roof assemblies and.

Certification database ul product iq. With 1 2 wood structural panels with. Layer 1 roofing system. D985 unres lwc mk6gf.

Steel roof deck unclassified noncomposite design vented or nonvented units 9 16 in 15 16 in 1 5 16 in 1 1 2 or 2 in. 2 hour steel and concrete assembly. 15 32 thick wood structural panels min. Channel shaped studs 3 5 8 in.

Ul assembly approved ceiling tile suspension maximum fix. Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa.

Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing. D985 res lwc all. These listings are short summaries to serve as a. Grade c d or sheathing layer 3 trusses.

6 usg fire resistant assemblies test certification test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test. Ul design u419 1 2 3 or 4 hour wall assembly installation instructions.